<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8" />
  <link rel="icon" type="image/svg+xml" href="/favicon.ico" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>EMS网关管理界面</title>
  <style>
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    
    #loading {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      font-size: 18px;
      color: #1890ff;
    }
    
    .loading-spinner {
      width: 20px;
      height: 20px;
      border: 2px solid #f3f3f3;
      border-top: 2px solid #1890ff;
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin-right: 10px;
    }
    
    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }
  </style>
</head>
<body>
  <div id="app">
    <div id="loading">
      <div class="loading-spinner"></div>
      正在加载EMS管理界面...
    </div>
  </div>
  <script type="module" src="/src/main.js"></script>
</body>
</html>